Merge pull request #38 from carrot/ensure-deps

ensure template's deps are installed

.gitignore

@@ -1,3 +1,4 @@
 .DS_Store
 node_modules
 test/testproj
+coverage

lib/api/init.coffee

@@ -19,6 +19,7 @@ class Init extends Base
 
   execute: (opts) ->
     configure_options.call(@, opts).with(@)
+      .then(install_template_dependencies)
       .then(get_user_init_file)
       .then(run_user_before_function)
       .then(remove_overrides_from_prompt)
@@ -78,6 +79,10 @@ class Init extends Base
     match = name.match(/@+([^@]*)$/)
     if match then match[1] else false
 
+  install_template_dependencies = ->
+    p = path.join(@sprout_path, 'package.json')
+    if fs.existsSync(p) then nodefn.call(exec, "npm install", cwd: @sprout_path)
+
   get_user_init_file = ->
     init_file = path.join(@sprout_path, 'init.coffee')
     if not fs.existsSync(init_file) then return @config = {}

test/fixtures/install_deps/init.coffee

@@ -0,0 +1,9 @@
+_ = require 'lodash'
+
+exports.configure = [
+  {
+    type: 'input',
+    name: 'foo',
+    message: 'What is basic foo from basic/init.coffee?'
+  }
+]

test/fixtures/install_deps/package.json

@@ -0,0 +1,14 @@
+{
+  "name": "install_deps",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "MIT",
+  "dependencies": {
+    "lodash": "2.4.x"
+  }
+}

test/fixtures/install_deps/root/index.html

@@ -0,0 +1 @@
+<p>basic template: <%= foo %></p>

test/test.coffee

@@ -150,6 +150,18 @@ describe 'js api', ->
         .then -> sprout.remove('foobar')
         .should.be.fulfilled
 
+    it 'installs template dependencies', (done) ->
+      name = 'install_deps'
+      test_template = path.join(_path, name)
+
+      sprout.add(name: name, uri: test_template, path: test_path)
+        .then -> sprout.init(name: name, path: test_path, overrides: {foo: 'bar'})
+        .then ->
+          p = path.join(test_template, 'node_modules')
+          fs.existsSync(p).should.be.ok
+        .catch (e) -> done(e)
+        .done -> done()
+
     it 'executes before function', ->
       test_template = path.join(_path, 'before')
       new_path      = path.join(__dirname, 'newproj')